Boil the butternut squash for till soft and set aside.
Heat the olive oil in a large saute pan, add the garlic and cook on a medium-low heat until softened. Add the mushrooms and cook for another 2- 3 minutes.
Then add the rice and seasoning and stir for 2 minutes, add the vinegar and stir.
Add the stock slowly and let it simmer for approximately 20-30 minutes, adding more hot water, if necessary.
When the rice is nearly cooked add the butternut squash.
Taste and add more salt and/or pepper, as needed.

Stir in the nutritional yeast and parmesan cheese through the finished risotto.